N.H. Code Admin. R. Env-Wq 1017.03

Current through Register No. 25, June 20, 2024
Section Env-Wq 1017.03 - Venting for Chamber Systems
(a) All chamber systems shall be vented as specified in this section.
(b) Chambers that are of solid-wall construction shall be vented using a pipe to the atmosphere.
(c) Chambers having louvered side-walls or other such openings that allow air from the surrounding soils to flow into the chamber shall not need additional venting unless more than 18 inches of backfill and loam will be placed on the chambers.
(d) If a vent pipe is used, the length of pipe between the bed and the stand-pipe shall be pitched such that effluent is not able to flow out of the bed.

N.H. Code Admin. R. Env-Wq 1017.03

(See Revision Note at chapter heading for Env-Wq 1000) #9086, eff 2-9-08; ss by #9904-A, eff 4-16-11

Amended by Volume XXXVI Number 41, Filed October 13, 2016, Proposed by #11184, Effective 10/1/2016, Expires 10/1/2026.